TOPCOAT Liquid-Applied Roofing Systems BUR/MB Roof System – Smooth Surface Updated: 7/14
TOPCOAT
®
Liquid-Applied Roofing Systems
BUR/MB Roof System – Smooth Surface
(TOPGN160)
Updated: 7/14
BUR/MB ROOF SYSTEM – SMOOTH SURFACE
Original
Application
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Traditional Installations: Smooth-surface built-up roofs or modified bitumen roofs.
Typical Property: Commercial, industrial, and public buildings.
Reason for Installation: Low life cycle cost based on moderate original installed cost.
U.S. 0nly
System
Advantage
Add life and performance to existing smooth built-up and smooth-surface modified bitumen roofs.
Features
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Reflective: ENERGY STAR ® qualified reflective product (white only).
Cool Roof Rating Council SM listed reflective product (white only).
Durable: Adds new weathering layer to old roof.
Low Maintenance: Eliminates need to re-coat every 2-3 years.
Weather Stopper ® Integrated System Limited Warranty*
Warranty
Eligibility
TOPCOAT
System
®
Advantages
Requirements
Quick Spec
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Reflectivity: ENERGY STAR ® qualified (white only); high-reflectivity can mean substantial energy savings by reducing interior building temperatures.
Limited warranty backed by GAF, North America’s largest roofing materials manufacturer.*
High Solids: Liquid-applied membrane with 65 ± 2% solids; average membrane thickness is 26 dry mils when applied at a total of 3 gallons per square.
Less Disruption: No hassles for building inhabitants; no dangers from tear-offs.
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Moisture scan.
Roof must have positive drainage.
Step 1) Conduct moisture scan and remove/replace all wet areas.
Step 2) Pressure-wash roof.
Step 3) Make typical repairs using original roof technology.
Step 4) Treat all roof penetrations, splits, drains, and scuppers using TOPCOAT
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Flashing Fabric embedded into TOPCOAT Flashing Grade.
Step 5) Treat all loose seams with 6'' wide area of TOPCOAT ® Flashing Grade and TOPCOAT ® Flashing Fabric.
Step 6) Spray-apply base coat of TOPCOAT
Step 7) Spray-apply finish coat of TOPCOAT
®
®
MB Plus at 1.25 gallon per square.
MB Plus at 1.75 gallon per square.
This Quick Spec is meant only as an overview of installation procedures. It is not meant to replace the detailed specification requirements that appear in the Low-Slope / Restoration System Specifications section of this Manual.
Be sure to review detailed specification prior to beginning any project.
* See limited warranty for complete coverage and restrictions.
NOTE: This quick specification is for water-based products.
Quick Specs and Tips 41
